#include<stdio.h>
int main()
{
	char c1,c2;
    do
	{
		c1=getchar();
		if(c1=='\n')
		    break;
		if(c1>='a'&&c1<='z')
	    	c2=(c1+2-'a')%26+'a';
	    if(c1>='0'&&c1<='9')
	        c2=(c1+2-'0')%10+'0';
	    if(c1>='A'&&c1<='Z')
	        c2=(c1+2-'A')%26+'A';
		putchar(c2);
	}while(c1!='\n');
	return 0;
}
